Limiting Result Cardinalities for Multidatabase Queries Using Histograms.

Kai-Uwe Sattler Oliver Dunemann Ingolf Geist Gunter Saake Stefan Conrad

Published in: BNCOD (2001)

Keyphrases

query processing
query language
selectivity estimation
database
query optimization
query evaluation
database queries
efficient processing
multidatabase systems
approximate query processing
aggregate queries
databases
user queries
range queries
heterogeneous database systems
multidatabase environment